Enlight 500-Watt
Power Supply is a lower noise and stronger power upgrade over original
Dell P/N:F217J Studio XPS 435 MT 435T 435MT and many others (scroll down to see list)

Ultra low noise performance without the high cost of fanless model.

Meets Intel ATX12V 2.2 specification.

Flexible connector design supporting both ATX and BTX systems.

Supports Dual/Quad-Core/i5/i7 systems.

Supports SLI & Crossfire video cards.

Honey-comb rear vent structure for improved ventilation.

All new complete 6*Star(tm) system protection with built-in Over
Voltage Protection, Under Voltage Protection, Over Current Protection,
Over Temperature Protection, Short Circuit Protection, Over Power
Protection.

Advanced Fan Speed Monitor Connector: When connected to an available fan port on the motherboard, provides real time rotational speed of the power supply fan to the system. This
feature provides an added level of security alarm to the system. In the
event that the power supply's fan failure, the system can now be
programmed to shut down immediately or sound an alarm.

Note: This unit is compatible with
Dell's BTX mechancial design: all 4 screws will align with Dell's case,
cable length, fan placement, and air flow direction are all compatible.
But, the size of this unit is a little shorter than certain original
Dell power supply such that there may be a small gap when installed

Customer Feedback on this unit:

this product works better then expected, the audio hum my comp had is gone!